Archives for posts with tag: Fish and Wildlife Conservation Commission

This year, the critically endangered Goliath grouper is once again under review by the Florida Fish and Wildlife Conservation Commission (FWC). On the table, the possibility of opening killing season for this fragile species.

Learn the facts from my recent peer reviewed scientific manuscript published in Oryx, the International Journal of Conservation.

Click here for a FREE pdf download

Goliath Grouper meets Dr. Sarah Frias-Torres. Photo Credit: Steve Karm

Goliath Grouper meets Dr. Sarah Frias-Torres. Photo Credit: Steve Karm

Briefly, Goliath groupers are not to blame for declining lobster and snapper stocks in Florida, one of the main reasons behind requests to reopen the fishery.

In my paper titled “Should the Critically Endangered Goliath grouper Epinephelus itajara be culled in Florida”, I analyzed fisheries landing data since the 1950s, diver based surveys and published dietary studies. I concluded that :

1) Goliath groupers eat invertebrates (worms, molluscs and crustaceans) and poisonous fish, not snappers and other groupers. Surprisingly, many of the prey consumed by goliath groupers are in turn predators of juvenile spiny lobster. Hence, goliath groupers are a fishers’ best friend, because through top-down predator control, goliaths could allow more juvenile lobsters to grow and become available to fishers.

2) The slow recovery of the Goliath grouper population in Florida is not the cause for declining lobster and snapper stocks in Florida. Instead, overfishing is the main cause.

3) A thriving Goliath grouper population could provide additional socio-economic benefits in ecotourism, and as a potential biocontrol agent for the invasive lionfish.

Goliath groupers are a national treasure. Florida is the only place in the world where we can encounter these gentle giants, from juveniles to adults. Florida also contains 99 % of the spawning aggregation sites known worldwide. With this study in hand, we now have a strong argument to continue protection of the Goliath grouper and dismiss any claims that the Goliaths are destroying valuable stocks of lobster, snapper and other groupers.

Related articles:

One-quarter of Grouper species are being fished to extinction

Five common myths about Goliath grouper (An outreach guide prepared by Dr. Sarah Frias-Torres)

…From the Grouper Chronicles…

“Last summer I almost died in my quest for love. I wanted to visit my usual singles bar. Two summers ago, I saw a pretty girl there but she gave me the cold fin. So I was going along with my buddies, following the reef, when we stopped in a cave to rest for a while. There was a powerful current taking us deeper into the cave. We couldn’t fight it. After smashing our bodies along the strange cave, we ended up in a canal. We tried really hard to get back to the ocean but we were trapped. Many jellyfish came along the same cave and ended up in the canal. A few days later, the water started to smell bad, it was impossible to breath, and the jellyfish stung our eyes, and scarred our faces There were so many of us tapped in that hell.

Death came slowly and painfully. Those around me were booming their last goodbyes. Strange human creatures took me out of there. At first, I thought they wanted to kill me but, to my surprise, I was set free into the reef I came from. I kept swimming as fast as I could, all alone, trying to forget the friends that didn’t make it. When I arrived to the singles bar, my body full of cuts and scars  was quite a magnet for the ladies. My near death adventure was the talk of the town. On a moonlit night, I joined the love dance. Something my trapped and dead buddies will never do. Next year, I won’t go near that reef from hell. It’s too much danger for a lifetime”

“This is the singles bar I wanted to visit. I’m the gorgeous male on the foreground”

“These are my buddies who suffered a slow and painful death”

The events explained here are based on a true story. On August 22-25, 2011, a massive influx of jellyfish shut down the St. Lucie nuclear power plant in Fort Pierce, Florida. As a collateral damage, the event resulted in a massive kill of protected goliath groupers already trapped in the plant’s water intake canal.

Early estimates are around 50-75 adult goliath groupers but they could be higher. Considering the species is critically endangered throughout the Atlantic ocean, and in the United States it’s in a slow path towards recovery from near extinction, losing such a significant number of the breeding population is a major setback towards recovery. An article at the Palm Beach Post reported the entire incident.

The nuclear power plant intake pipes, located 21 feet deep, 1,200 feet offshore Fort Pierce (two pipes 12 feet in diameter each, 1 pipe 16 feet in diameter) are in line with a series of worm reefs heavily used by marine wildlife from seaturtles to manatees, reef fishes and goliath groupers. Lacking proper screens, the pipes regularly suction passing marine wildlife. Once trapped, they cannot escape and return to the ocean. Seaturtles are periodically collected and released free. But the same is not always done with the trapped goliath groupers. All seaturtle species and goliath groupers are protected under federal and state regulations. Why release one group and not the other? Once the groupers are trapped in the canals, they are lost to the population, because they’ll never be able to reach a spawning aggregation and reproduce.

Scientists (including myself) were outraged at the massive fish kill because it could have been prevented, and we contacted the Florida Fish & Wildlife Conservation Commission (FWC) and the National Oceanic and Atmospheric Administration (NOAA) proposing an improved contingency plan to avoid further fish mortalities. This action resulted in a new FWC protocol during fish kills.

But as we approach the 1 year anniversary of the nuclear fish kill, I don’t see the changes I expected.

Without any major changes in the intake pipes, seasonal swarms of jellyfish might force again to shut down the nuclear reactor. And without periodic releases of trapped marine wildlife back into the ocean, death by nuclear reactor is still a reality for the protected goliath groupers of Florida.

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